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Absolute and Local Extreme Values01:22

Absolute and Local Extreme Values

The highest and lowest values of a function, relative to a reference axis, are known as extreme values. These include absolute maximum and absolute minimum values, which represent the highest and lowest points the function reaches across its entire domain. Within a restricted portion of the function, the highest and lowest values are referred to as local maximum and local minimum values, respectively.Periodic functions, such as sine and cosine, show extreme values at infinitely many points due...
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Upper-extremity Approach for Secondary Access in Transfemoral Transcatheter Aortic Valve Implantation06:04

Upper-extremity Approach for Secondary Access in Transfemoral Transcatheter Aortic Valve Implantation

An upper-extremity approach for secondary access during transfemoral transcatheter aortic valve implantation is associated with fewer secondary access site-related bleeding complications and reduces time to mobilization in patients requiring extended pacing. This protocol aims to provide an extensive overview of the upper-extremity approach and guide operators in adopting this methodology.
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Point-Of-Care Ultrasound Screening for Proximal Lower Extremity Deep Venous Thrombosis06:45

Point-Of-Care Ultrasound Screening for Proximal Lower Extremity Deep Venous Thrombosis

Traditionally, lower extremity deep venous thrombosis (DVT) is diagnosed by radiology-performed venous duplex ultrasound. Providers appropriately trained in focused point-of-care ultrasound (POCUS) can perform a rapid bedside examination with high sensitivity and specificity in critically ill patients. We describe the scanning technique for focused POCUS DVT lower extremity...
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Paradigms of Lower Extremity Electrical Stimulation Training After Spinal Cord Injury08:07

Paradigms of Lower Extremity Electrical Stimulation Training After Spinal Cord Injury

Spinal cord injury is a traumatic medical condition that may result in elevated risks of chronic secondary metabolic disorders. Here, we presented a protocol using surface neuromuscular electrical stimulation-resistance training in conjunction with functional electrical stimulation-lower extremities cycling as a strategy to ameliorate several of these medical...
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Resonance Raman Spectroscopy of Extreme Nanowires and Other 1D Systems07:44

Resonance Raman Spectroscopy of Extreme Nanowires and Other 1D Systems

The paper describes a method for producing extreme nanowires by melt infiltration into carbon nanotubes and how 1D systems may be characterized and investigated using Resonance Raman Spectroscopy to determine vibrational and optical excitation...
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Synthesis and Microdiffraction at Extreme Pressures and Temperatures07:26

Synthesis and Microdiffraction at Extreme Pressures and Temperatures

The laser heated diamond anvil cell combined with synchrotron micro-diffraction techniques allows researchers to explore the nature and properties of new phases of matter at extreme pressure and temperature (PT) conditions. Heterogeneous samples can be characterized in situ under high pressure by 2D mapping and combined powder, single-crystal and multigrain diffraction...
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